5 amazing discoveries that shaped our world

1. Fire: One of the earliest discoveries in human history was fire. It shaped the course of human evolution and revolutionized the way we live. With the ability to control fire, our ancestors could cook food, stay warm in cold weather and use it as a tool to ward off animals. It also helped us to discover metallurgy and other important technologies.

2. Printing Press: One of the greatest inventions of all time was the printing press. It was invented by Johannes Gutenberg in the 15th century and changed the world forever. With the printing press, it became possible to produce books in large quantities. This made information accessible to the masses and helped to spread knowledge and ideas across the globe.

3. Penicillin: The discovery of penicillin by Alexander Fleming in 1928 helped to revolutionize the field of medicine. It was the first antibiotic to be discovered and proved to be a life-saving drug that helped to fight serious infections. It paved the way for the development of other antibiotics and changed the way we treat diseases.

4. DNA: In 1953, James Watson and Francis Crick discovered the structure of DNA. This discovery helped to unravel the mystery of genetics and opened up an entirely new field of scientific study. It has had a huge impact on medicine, biology, and genetics, and has helped us to understand the basis of inherited diseases.

5. Internet: In the early 1990s, the internet became available to the public. It has transformed the way we communicate, work, and access information. Today, the internet is a critical part of our lives and has enabled globalization, e-commerce, and social networking. It has brought people from all corners of the globe closer together, and has helped us to expand our horizons and knowledge in unprecedented ways.

Speech tips:

Please note that any statements involving politics will not be approved.